Related Clues:
- Sand base
- Mineral used in glassmaking
- Mineral found as quartz and opal
- Glassy substance in quartz and sand
- I see in the sail if it's in a glass
- Sounds like quarts for a stupid accountant
- Mineral (barium) taken from church
- Thatcher's frightened of German detail
- Glass-maker with degree builds Roman church
- Substance of quartz
- Hard colourless compound from rocks
- Oxide occurring as quartz and used in making glass
- Hard-rock graduate makes herb with Irish Countrywomen¿s Association for this
- Quartz used in the manufacture of glass
- Glassy substance in quartz